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    <a href="https://github.com/mingw-w64/mingw-w64.github.io/edit/source/web/build-systems/meson.md" title="Edit this page" class="md-content__button md-icon">
      
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<h1 id="meson">Meson</h1>
<p>Meson is a multiplatform build system with good support for mingw-w64. See the
<a href="https://mesonbuild.com/">official documentation</a> for more details.</p>
<h2 id="detect-mingw-w64-at-configuration-time">Detect mingw-w64 at Configuration Time</h2>
<p>While it should be sufficient in most cases to use the preprocessor to detect
mingw-w64 at compile time, it can also be detected at configuration time if
necessary:</p>
<div class="highlight"><pre><span></span><code><span class="c"># meson.build</span>
<span class="n">cc</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vm">meson</span><span class="p">.</span><span class="n">get_compiler</span><span class="p">(</span><span class="s">&#39;c&#39;</span><span class="p">)</span>
<span class="n">is_windows</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="vm">host_machine</span><span class="p">.</span><span class="n">system</span><span class="p">()</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s">&#39;windows&#39;</span>
<span class="n">is_mingw</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">is_windows</span><span class="w"> </span><span class="ow">and</span><span class="w"> </span><span class="n">cc</span><span class="p">.</span><span class="n">get_define</span><span class="p">(</span><span class="s">&#39;__MINGW32__&#39;</span><span class="p">)</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="s">&#39;&#39;</span>
<span class="k">if</span><span class="w"> </span><span class="n">is_mingw</span>
<span class="w">    </span><span class="nb">message</span><span class="p">(</span><span class="s">&#39;Building with mingw-w64&#39;</span><span class="p">)</span>
<span class="k">else</span>
<span class="w">    </span><span class="nb">message</span><span class="p">(</span><span class="s">&#39;Not building with mingw-w64&#39;</span><span class="p">)</span>
<span class="k">endif</span>
</code></pre></div>
<h2 id="cross-compiling-on-linux">Cross compiling on Linux</h2>
<p>To cross compile a meson project for Windows while working on Linux:</p>
<ul>
<li>Install a Windows cross compiler on your Linux system</li>
<li>Create or use a cross file that defines how meson should use the cross
  compiler</li>
<li>Configure your project with the cross file</li>
</ul>
<p>For detailed instructions, consult the <a href="https://mesonbuild.com/Cross-compilation.html">official meson
documentation</a>.</p>
<div class="highlight"><pre><span></span><code><span class="c1"># cross-mingw64.txt</span>
<span class="k">[host_machine]</span>
<span class="na">system</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;windows&#39;</span>
<span class="na">cpu_family</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;x86_64&#39;</span>
<span class="na">cpu</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;x86_64&#39;</span>
<span class="na">endian</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;little&#39;</span>

<span class="k">[binaries]</span>
<span class="na">c</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;x86_64-w64-mingw32-gcc&#39;</span>
<span class="na">cpp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;x86_64-w64-mingw32-g++&#39;</span>
<span class="na">ar</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;x86_64-w64-mingw32-ar&#39;</span>
<span class="na">ld</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;x86_64-w64-mingw32-ld&#39;</span>
<span class="na">objcopy</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;x86_64-w64-mingw32-objcopy&#39;</span>
<span class="na">strip</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;x86_64-w64-mingw32-strip&#39;</span>
<span class="na">pkg-config</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;x86_64-w64-mingw32-pkg-config&#39;</span>
<span class="na">windres</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&#39;x86_64-w64-mingw32-windres&#39;</span>
</code></pre></div>
<div class="highlight"><pre><span></span><code><span class="gp">$ </span>meson<span class="w"> </span>setup<span class="w"> </span>builddir<span class="w"> </span>--cross-file<span class="w"> </span>cross-mingw64.txt
<span class="gp">$ </span>meson<span class="w"> </span>compile<span class="w"> </span>-C<span class="w"> </span>builddir
<span class="gp">$ </span>wine<span class="w"> </span>builddir/hello.exe
<span class="go">Hello, Windows!</span>
</code></pre></div>












                
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